安裝 KeyCloak (Docker) 服務

services:
  postgres:
    image: postgres:15
    container_name: keycloak_postgres
    environment:
      POSTGRES_DB: ${POSTGRES_DB}
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
    volumes:
      - ./postgres_data:/var/lib/postgresql/data
    networks:
      - keycloak_network
 
  keycloak:
    image: quay.io/keycloak/keycloak:22.0
    container_name: keycloak
    environment:
      KC_DB: postgres
      KC_DB_URL: jdbc:postgresql://postgres:5432/${POSTGRES_DB}
      KC_DB_USERNAME: ${POSTGRES_USER}
      KC_DB_PASSWORD: ${POSTGRES_PASSWORD}
      KEYCLOAK_ADMIN: ${KEYCLOAK_ADMIN}
      KEYCLOAK_ADMIN_PASSWORD: ${KEYCLOAK_ADMIN_PASSWORD}
    command:
      - start-dev
    ports:
      - "${KEYCLOAK_PORT}:8080"
    depends_on:
      - postgres
    networks:
      - keycloak_network
 
networks:
  keycloak_network:
    driver: bridge
 

https://raw.githubusercontent.com/tryweb/docker-compose/refs/heads/main/keycloak/docker-compose.yml

# PostgreSQL Configuration
POSTGRES_DB=keycloak
POSTGRES_USER=keycloak
POSTGRES_PASSWORD=keycloak_password
 
# Keycloak Configuration
KEYCLOAK_ADMIN=admin
KEYCLOAK_ADMIN_PASSWORD=admin
 
# Port Configuration
KEYCLOAK_PORT=8080
 

https://raw.githubusercontent.com/tryweb/docker-compose/refs/heads/main/keycloak/.env.example